Species: Mandioqueira / Sucupira Amarelo


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Mandioqueira / Sucupira Amarelo
Species profile
The wood is pinkish brown to red brown, sometimes olive brown. The wood contains a white substance in the pores. It has clearly demarcated sapwood. The grain is straight or interlocked and the texture is medium. The grain is sometimes wavy. It has an unpleasant odour when green. Density at 12 % moisture content: 0.74 g/cm3.

The wood is relatively easy to machine. Pre-drilling is recommended and finishing and gluing are reported to be good. The blunting effect is normal and peeling and slicing is reported to be good. Some species can be siliceous and present an important blunting effect. In this case, it is necessary to use adequate tools. It dries normal to quickly with a (small) tendency to warp or check. There are variable risks of distortion according to the species. High humidity recommended during the first stages of drying in order to reduce defects. Initial surface drying prior to kiln drying is recommended in order to reduce defects.

Mandioqueira is moderately durable to fungi and is durable to dry wood borers; sapwood demarcated (risk limited to sapwood).

Mandioqueira can be used for several applications such as:
• interior: e.g. panelling, furniture, veneer, flooring, seats, boxes and crates, tool handles (resilient woods), joinery, sliced veneer, moulding, formwork
• exterior: e.g. panelling, ship building, wood frame house, park benches, cladding, boardwalks, heavy carpentry, joinery, vehicle or container flooring, open boats

References
• CIRAD Forestry Department
• Research and experiences of A. van den Berg / Precious Woods Europe BV

Family:VOCHYSIACEAE (angiosperm)
Origin:South and Central America
Local and common name(s)
Arenillo, Mandioqueira Aspera, Mandioqueira Lisa, Gonfolo Kouali, Berg Gronfoeloe, Florecillo, Mandioqueira, Mandioqueira Escamosa, Gonfolo, Gronfolo, Gronfoeloe,
Scientific name(s)
Qualea spp., Ruizterania spp.,
Typical use
Wood frame house, Flooring, Interior joinery, Exterior panelling, Sliced veneer, Moulding, Boxes and crates, Glued laminated, Seats, Tool handles (resilient woods), Heavy carpentry, Exterior joinery, Interior panelling, Current furniture or furniture components, Ship building (planking and deck), Veneer for interior of plywood, Formwork, Vehicle or container flooring, Open boats,
Risk
Commercial restriction:No commercial restriction
IUCN Red List status:
Appearance
Grain:Straigth or interlocked
Interlocked Grain:Slight
Sapwood:Clearly demarcated
Texture:Medium
Typical colour:Pinkish Brown
Physical description
Crushing strength:69 (+/- 10) MPa
Specific Gravity (at 12% MC):0,74 (+/- 0,07)
Stability:Poorly stable
Static bending strength:103 (+/- 19) MPa
Durability
Dry wood borers:Class D - Durable
Fungi:Class 3 - Moderately durable
Termites:Class S - Susceptible
Treatability:Class 2 - Moderately permeable
References
Technical descriptions from the software Tropix 7 [1], with permission of the Research Unit Biomass, Wood, Energy, Bioproducts [2], CIRAD [3].

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